Iohannes, commonly known as John, is a significant figure in Christianity, recognized as one of the twelve apostles of Jesus Christ. He is traditionally credited with writing the Gospel of John, three epistles, and the Book of Revelation in the New Testament. His writings emphasize the divinity of Christ and the importance of love and faith. In addition to his biblical contributions, John is often referred to as the "Beloved Disciple" and is believed to have had a close relationship with Jesus. His life and teachings have had a profound impact on Christian theology and continue to influence millions of believers around the world.